404732547072 has 520 divisors, whose sum is σ = 1442042718336. Its totient is φ = 110595538944.

The previous prime is 404732547071. The next prime is 404732547103. The reversal of 404732547072 is 270745237404.

404732547072 is a `hidden beast` number, since 4 + 0 + 4 + 7 + 32 + 547 + 0 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (404732547071) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53412148 + ... + 53419724.

Almost surely, 2^404732547072 is an apocalyptic number.

404732547072 is a gapful number since it is divisible by the number (42) 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 404732547072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721021359168).

404732547072 is an abundant number, since it is smaller than the sum of its proper divisors (1037310171264).

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

404732547072 is an equidigital number, since it uses as much as digits as its factorization.

404732547072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643 (or 7612 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 45.

The spelling of 404732547072 in words is "four hundred four billion, seven hundred thirty-two million, five hundred forty-seven thousand, seventy-two".