1064642455 has 16 divisors (see below), whose sum is σ = 1340414208. Its totient is φ = 810720000.

The previous prime is 1064642441. The next prime is 1064642479. The reversal of 1064642455 is 5542464601.

It is not a de Polignac number, because 1064642455 - 2⁹ = 1064641943 is a prime.

It is a super-2 number, since 2×1064642455² = 2266927113976854050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46846 + ... + 65755.

It is an arithmetic number, because the mean of its divisors is an integer number (83775888).

Almost surely, 2^1064642455 is an apocalyptic number.

1064642455 is a deficient number, since it is larger than the sum of its proper divisors (275771753).

1064642455 is a wasteful number, since it uses less digits than its factorization.

1064642455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112698.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 1064642455 is about 32628.8592353456. The cubic root of 1064642455 is about 1021.0991787129.

The spelling of 1064642455 in words is "one billion, sixty-four million, six hundred forty-two thousand, four hundred fifty-five".