16572407040 has 432 divisors, whose sum is σ = 66012500736. Its totient is φ = 3760128000.

The previous prime is 16572407023. The next prime is 16572407057. The reversal of 16572407040 is 4070427561.

16572407040 is a `hidden beast` number, since 1 + 6 + 572 + 40 + 7 + 0 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (16572407023) and next prime (16572407057).

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 = 16572406986 and 16572407004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12175960 + ... + 12177320.

Almost surely, 2^16572407040 is an apocalyptic number.

16572407040 is a gapful number since it is divisible by the number (10) 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 16572407040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33006250368).

16572407040 is an abundant number, since it is smaller than the sum of its proper divisors (49440093696).

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

16572407040 is a wasteful number, since it uses less digits than its factorization.

16572407040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 16572407040 in words is "sixteen billion, five hundred seventy-two million, four hundred seven thousand, forty".