32642645454 has 24 divisors (see below), whose sum is σ = 71092193952. Its totient is φ = 10824503040.

The previous prime is 32642645447. The next prime is 32642645459. The reversal of 32642645454 is 45454624623.

It is a happy number.

32642645454 is a `hidden beast` number, since 3 + 2 + 6 + 42 + 64 + 545 + 4 = 666.

It is a super-2 number, since 2×32642645454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32642645459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4694662 + ... + 4701609.

It is an arithmetic number, because the mean of its divisors is an integer number (2962174748).

Almost surely, 2^32642645454 is an apocalyptic number.

32642645454 is an abundant number, since it is smaller than the sum of its proper divisors (38449548498).

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

32642645454 is a wasteful number, since it uses less digits than its factorization.

32642645454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9396472 (or 9396469 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 45.

The spelling of 32642645454 in words is "thirty-two billion, six hundred forty-two million, six hundred forty-five thousand, four hundred fifty-four".