2497640454 has 32 divisors (see below), whose sum is σ = 5563008000. Its totient is φ = 830642472.

The previous prime is 2497640447. The next prime is 2497640461. The reversal of 2497640454 is 4540467942.

2497640454 is digitally balanced in base 2 and base 4, because in such bases 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 (2497640447) and next prime (2497640461).

It is a super-2 number, since 2×2497640454² = 12476415674914652232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28974 + ... + 76385.

It is an arithmetic number, because the mean of its divisors is an integer number (173844000).

Almost surely, 2^2497640454 is an apocalyptic number.

2497640454 is an abundant number, since it is smaller than the sum of its proper divisors (3065367546).

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

2497640454 is a wasteful number, since it uses less digits than its factorization.

2497640454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105809 (or 105803 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 2497640454 is about 49976.3989699138. The cubic root of 2497640454 is about 1356.7816876792.

The spelling of 2497640454 in words is "two billion, four hundred ninety-seven million, six hundred forty thousand, four hundred fifty-four".