1015440002 has 8 divisors (see below), whose sum is σ = 1523332416. Its totient is φ = 507662532.

The previous prime is 1015439987. The next prime is 1015440037. The reversal of 1015440002 is 2000445101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1015440002² = 2062236795323520008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478 + ... + 45089.

It is an arithmetic number, because the mean of its divisors is an integer number (190416552).

Almost surely, 2^1015440002 is an apocalyptic number.

1015440002 is a deficient number, since it is larger than the sum of its proper divisors (507892414).

1015440002 is a wasteful number, since it uses less digits than its factorization.

1015440002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57472.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1015440002 is about 31865.9693403480. The cubic root of 1015440002 is about 1005.1204040459.

Adding to 1015440002 its reverse (2000445101), we get a palindrome (3015885103).

The spelling of 1015440002 in words is "one billion, fifteen million, four hundred forty thousand, two".