1015640030 has 16 divisors (see below), whose sum is σ = 1891192320. Its totient is φ = 392247072.

The previous prime is 1015640029. The next prime is 1015640033. The reversal of 1015640030 is 300465101.

It is a junction number, because it is equal to n+sod(n) for n = 1015639984 and 1015640011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015640033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750814 + ... + 1751393.

It is an arithmetic number, because the mean of its divisors is an integer number (118199520).

Almost surely, 2^1015640030 is an apocalyptic number.

1015640030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1015640030 is a deficient number, since it is larger than the sum of its proper divisors (875552290).

1015640030 is a wasteful number, since it uses less digits than its factorization.

1015640030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502243.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1015640030 is about 31869.1077691234. The cubic root of 1015640030 is about 1005.1863981055.

The spelling of 1015640030 in words is "one billion, fifteen million, six hundred forty thousand, thirty".