1015400016 has 40 divisors (see below), whose sum is σ = 2914575360. Its totient is φ = 338466528.

The previous prime is 1015400003. The next prime is 1015400027. The reversal of 1015400016 is 6100045101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174800 + ... + 1175663.

It is an arithmetic number, because the mean of its divisors is an integer number (72864384).

Almost surely, 2^1015400016 is an apocalyptic number.

1015400016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1015400016 is an abundant number, since it is smaller than the sum of its proper divisors (1899175344).

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

1015400016 is a wasteful number, since it uses less digits than its factorization.

1015400016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350480 (or 2350468 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1015400016 is about 31865.3419250445. The cubic root of 1015400016 is about 1005.1072106611.

Adding to 1015400016 its reverse (6100045101), we get a palindrome (7115445117).

The spelling of 1015400016 in words is "one billion, fifteen million, four hundred thousand, sixteen".