2454505740 has 120 divisors (see below), whose sum is σ = 7739967312. Its totient is φ = 651127680.

The previous prime is 2454505733. The next prime is 2454505763. The reversal of 2454505740 is 475054542.

It is a happy number.

2454505740 is a `hidden beast` number, since 2 + 45 + 45 + 0 + 574 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2454505695 and 2454505704.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 315295 + ... + 322985.

Almost surely, 2^2454505740 is an apocalyptic number.

2454505740 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 2454505740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3869983656).

2454505740 is an abundant number, since it is smaller than the sum of its proper divisors (5285461572).

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

2454505740 is a wasteful number, since it uses less digits than its factorization.

2454505740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909 (or 7898 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 2454505740 is about 49542.9686232063. The cubic root of 2454505740 is about 1348.9256637836.

The spelling of 2454505740 in words is "two billion, four hundred fifty-four million, five hundred five thousand, seven hundred forty".