32485155840 has 704 divisors, whose sum is σ = 127764241920. Its totient is φ = 7785676800.

The previous prime is 32485155767. The next prime is 32485155947. The reversal of 32485155840 is 4855158423.

32485155840 is a `hidden beast` number, since 3 + 2 + 4 + 8 + 51 + 558 + 40 = 666.

It is a super-2 number, since 2×32485155840² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54051540 + ... + 54052140.

Almost surely, 2^32485155840 is an apocalyptic number.

32485155840 is a gapful number since it is divisible by the number (30) 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 32485155840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63882120960).

32485155840 is an abundant number, since it is smaller than the sum of its proper divisors (95279086080).

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

32485155840 is a wasteful number, since it uses less digits than its factorization.

32485155840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 32485155840 in words is "thirty-two billion, four hundred eighty-five million, one hundred fifty-five thousand, eight hundred forty".