1516628940 has 48 divisors (see below), whose sum is σ = 4252947552. Its totient is φ = 403826176.

The previous prime is 1516628923. The next prime is 1516628969. The reversal of 1516628940 is 498266151.

It is a junction number, because it is equal to n+sod(n) for n = 1516628892 and 1516628901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21952 + ... + 59288.

It is an arithmetic number, because the mean of its divisors is an integer number (88603074).

Almost surely, 2^1516628940 is an apocalyptic number.

1516628940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516628940 is an abundant number, since it is smaller than the sum of its proper divisors (2736318612).

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

1516628940 is a wasteful number, since it uses less digits than its factorization.

1516628940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38026 (or 38024 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1516628940 is about 38943.9204497955. The cubic root of 1516628940 is about 1148.9287920355.

The spelling of 1516628940 in words is "one billion, five hundred sixteen million, six hundred twenty-eight thousand, nine hundred forty".