64651026 has 24 divisors (see below), whose sum is σ = 142126992. Its totient is φ = 19591000.

The previous prime is 64651007. The next prime is 64651057. The reversal of 64651026 is 62015646.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64650984 and 64651002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43800 + ... + 45251.

It is an arithmetic number, because the mean of its divisors is an integer number (5921958).

Almost surely, 2^64651026 is an apocalyptic number.

64651026 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64651026 is an abundant number, since it is smaller than the sum of its proper divisors (77475966).

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

64651026 is a wasteful number, since it uses less digits than its factorization.

64651026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89078 (or 89067 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 64651026 is about 8040.5861726618. The cubic root of 64651026 is about 401.3517310789.

The spelling of 64651026 in words is "sixty-four million, six hundred fifty-one thousand, twenty-six".