1015314540 has 48 divisors (see below), whose sum is σ = 2855666688. Its totient is φ = 269532864.

The previous prime is 1015314527. The next prime is 1015314551. The reversal of 1015314540 is 454135101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1015314540.

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, 24562 + ... + 51321.

It is an arithmetic number, because the mean of its divisors is an integer number (59493056).

Almost surely, 2^1015314540 is an apocalyptic number.

1015314540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015314540 is an abundant number, since it is smaller than the sum of its proper divisors (1840352148).

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

1015314540 is a wasteful number, since it uses less digits than its factorization.

1015314540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76118 (or 76116 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1015314540 is about 31864.0006904343. Note that the first 3 decimals coincide. The cubic root of 1015314540 is about 1005.0790066846.

Adding to 1015314540 its reverse (454135101), we get a palindrome (1469449641).

The spelling of 1015314540 in words is "one billion, fifteen million, three hundred fourteen thousand, five hundred forty".