16402764140 has 48 divisors (see below), whose sum is σ = 39667186944. Its totient is φ = 5580868800.

The previous prime is 16402764101. The next prime is 16402764181. The reversal of 16402764140 is 4146720461.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 16402764140.

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, 428846 + ... + 465525.

It is an arithmetic number, because the mean of its divisors is an integer number (826399728).

Almost surely, 2^16402764140 is an apocalyptic number.

16402764140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16402764140 is an abundant number, since it is smaller than the sum of its proper divisors (23264422804).

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

16402764140 is a wasteful number, since it uses less digits than its factorization.

16402764140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894518 (or 894516 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 16402764140 in words is "sixteen billion, four hundred two million, seven hundred sixty-four thousand, one hundred forty".