32775516540 has 96 divisors (see below), whose sum is σ = 109812010560. Its totient is φ = 8067817728.

The previous prime is 32775516509. The next prime is 32775516541. The reversal of 32775516540 is 4561557723.

It is a happy number.

32775516540 is a `hidden beast` number, since 3 + 27 + 75 + 5 + 16 + 540 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32775516541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327419 + ... + 2341458.

It is an arithmetic number, because the mean of its divisors is an integer number (1143875110).

Almost surely, 2^32775516540 is an apocalyptic number.

32775516540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32775516540 is an abundant number, since it is smaller than the sum of its proper divisors (77036494020).

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

32775516540 is a wasteful number, since it uses less digits than its factorization.

32775516540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668908 (or 4668900 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 32775516540 in words is "thirty-two billion, seven hundred seventy-five million, five hundred sixteen thousand, five hundred forty".