3051506640 has 160 divisors (see below), whose sum is σ = 11642754816. Its totient is φ = 643829760.

The previous prime is 3051506611. The next prime is 3051506651. The reversal of 3051506640 is 466051503.

3051506640 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 3051506598 and 3051506607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48021 + ... + 91700.

Almost surely, 2^3051506640 is an apocalyptic number.

3051506640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3051506640 is an abundant number, since it is smaller than the sum of its proper divisors (8591248176).

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

3051506640 is a wasteful number, since it uses less digits than its factorization.

3051506640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139757 (or 139751 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 3051506640 is about 55240.4438794621. The cubic root of 3051506640 is about 1450.4567154249.

The spelling of 3051506640 in words is "three billion, fifty-one million, five hundred six thousand, six hundred forty".