32549601840 has 320 divisors, whose sum is σ = 122899562496. Its totient is φ = 6964632576.

The previous prime is 32549601839. The next prime is 32549601859. The reversal of 32549601840 is 4810694523.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 32549601792 and 32549601801.

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, 1807119 + ... + 1825041.

Almost surely, 2^32549601840 is an apocalyptic number.

32549601840 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 32549601840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61449781248).

32549601840 is an abundant number, since it is smaller than the sum of its proper divisors (90349960656).

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

32549601840 is a wasteful number, since it uses less digits than its factorization.

32549601840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18016 (or 18010 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 32549601840 in words is "thirty-two billion, five hundred forty-nine million, six hundred one thousand, eight hundred forty".