653426040 has 32 divisors (see below), whose sum is σ = 1960278480. Its totient is φ = 174246912.

The previous prime is 653426027. The next prime is 653426051. The reversal of 653426040 is 40624356.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 653425989 and 653426007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722489 + ... + 2722728.

Almost surely, 2^653426040 is an apocalyptic number.

653426040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

653426040 is an abundant number, since it is smaller than the sum of its proper divisors (1306852440).

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

653426040 is a wasteful number, since it uses less digits than its factorization.

653426040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445231 (or 5445227 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 653426040 is about 25562.1994358858. The cubic root of 653426040 is about 867.7583724359.

The spelling of 653426040 in words is "six hundred fifty-three million, four hundred twenty-six thousand, forty".