32378457405 has 80 divisors (see below), whose sum is σ = 60782327424. Its totient is φ = 14716840320.

The previous prime is 32378457379. The next prime is 32378457413. The reversal of 32378457405 is 50475487323.

It is not a de Polignac number, because 32378457405 - 2¹⁴ = 32378441021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6516232 + ... + 6521198.

Almost surely, 2^32378457405 is an apocalyptic number.

32378457405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32378457405 is a deficient number, since it is larger than the sum of its proper divisors (28403870019).

32378457405 is an equidigital number, since it uses as much as digits as its factorization.

32378457405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184 (or 5163 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 32378457405 in words is "thirty-two billion, three hundred seventy-eight million, four hundred fifty-seven thousand, four hundred five".