16254693240 has 64 divisors (see below), whose sum is σ = 48789336960. Its totient is φ = 4332339840.

The previous prime is 16254693209. The next prime is 16254693277. The reversal of 16254693240 is 4239645261.

It is a junction number, because it is equal to n+sod(n) for n = 16254693192 and 16254693201.

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, 204355 + ... + 272525.

It is an arithmetic number, because the mean of its divisors is an integer number (762333390).

Almost surely, 2^16254693240 is an apocalyptic number.

16254693240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16254693240 is an abundant number, since it is smaller than the sum of its proper divisors (32534643720).

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

16254693240 is a wasteful number, since it uses less digits than its factorization.

16254693240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70172 (or 70168 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 16254693240 in words is "sixteen billion, two hundred fifty-four million, six hundred ninety-three thousand, two hundred forty".