618370040 has 16 divisors (see below), whose sum is σ = 1391332680. Its totient is φ = 247348000.

The previous prime is 618370037. The next prime is 618370073. The reversal of 618370040 is 40073816.

It is a junction number, because it is equal to n+sod(n) for n = 618369985 and 618370012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7729586 + ... + 7729665.

Almost surely, 2^618370040 is an apocalyptic number.

It is an amenable number.

618370040 is an abundant number, since it is smaller than the sum of its proper divisors (772962640).

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

618370040 is a wasteful number, since it uses less digits than its factorization.

618370040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15459262 (or 15459258 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 618370040 is about 24867.0472714394. The cubic root of 618370040 is about 851.9540006170.

The spelling of 618370040 in words is "six hundred eighteen million, three hundred seventy thousand, forty".