612454040 has 32 divisors (see below), whose sum is σ = 1503297360. Its totient is φ = 222710400.

The previous prime is 612454021. The next prime is 612454067. The reversal of 612454040 is 40454216.

It is a super-2 number, since 2×612454040² = 750199902224643200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695531 + ... + 696410.

Almost surely, 2^612454040 is an apocalyptic number.

It is an amenable number.

612454040 is an abundant number, since it is smaller than the sum of its proper divisors (890843320).

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

612454040 is a wasteful number, since it uses less digits than its factorization.

612454040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391963 (or 1391959 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 612454040 is about 24747.8087918911. The cubic root of 612454040 is about 849.2283839500.

The spelling of 612454040 in words is "six hundred twelve million, four hundred fifty-four thousand, forty".