16119632440 has 32 divisors (see below), whose sum is σ = 36398270160. Its totient is φ = 6424902400.

The previous prime is 16119632423. The next prime is 16119632453. The reversal of 16119632440 is 4423691161.

It is a self number, because there is not a number n which added to its sum of digits gives 16119632440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705826 + ... + 728305.

Almost surely, 2^16119632440 is an apocalyptic number.

16119632440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16119632440 is an abundant number, since it is smaller than the sum of its proper divisors (20278637720).

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

16119632440 is a wasteful number, since it uses less digits than its factorization.

16119632440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434423 (or 1434419 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 16119632440 in words is "sixteen billion, one hundred nineteen million, six hundred thirty-two thousand, four hundred forty".