1025426064 has 40 divisors (see below), whose sum is σ = 2852789632. Its totient is φ = 315515520.

The previous prime is 1025426063. The next prime is 1025426081. The reversal of 1025426064 is 4606245201.

It is a super-2 number, since 2×1025426064² = 2102997225461064192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025426063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821032 + ... + 822279.

Almost surely, 2^1025426064 is an apocalyptic number.

It is an amenable number.

1025426064 is an abundant number, since it is smaller than the sum of its proper divisors (1827363568).

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

1025426064 is a wasteful number, since it uses less digits than its factorization.

1025426064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643335 (or 1643329 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1025426064 is about 32022.2744976056. The cubic root of 1025426064 is about 1008.4045208095.

The spelling of 1025426064 in words is "one billion, twenty-five million, four hundred twenty-six thousand, sixty-four".