2497457340 has 192 divisors, whose sum is σ = 9166725120. Its totient is φ = 552407040.

The previous prime is 2497457327. The next prime is 2497457353. The reversal of 2497457340 is 437547942.

2497457340 is a `hidden beast` number, since 2 + 4 + 9 + 74 + 573 + 4 + 0 = 666.

2497457340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2497457327) and next prime (2497457353).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106524 + ... + 127836.

It is an arithmetic number, because the mean of its divisors is an integer number (47743360).

Almost surely, 2^2497457340 is an apocalyptic number.

2497457340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2497457340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4583362560).

2497457340 is an abundant number, since it is smaller than the sum of its proper divisors (6669267780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2497457340 is a wasteful number, since it uses less digits than its factorization.

2497457340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21369 (or 21361 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 2497457340 is about 49974.5669315903. The cubic root of 2497457340 is about 1356.7485294780.

The spelling of 2497457340 in words is "two billion, four hundred ninety-seven million, four hundred fifty-seven thousand, three hundred forty".