1400445315 has 32 divisors (see below), whose sum is σ = 2491594560. Its totient is φ = 746330112.

The previous prime is 1400445257. The next prime is 1400445353. The reversal of 1400445315 is 5135440041.

It is a happy number.

It is not a de Polignac number, because 1400445315 - 2¹⁵ = 1400412547 is a prime.

It is a super-2 number, since 2×1400445315² = 3922494160610898450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217827 + ... + 224163.

It is an arithmetic number, because the mean of its divisors is an integer number (77862330).

Almost surely, 2^1400445315 is an apocalyptic number.

1400445315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1400445315 is a deficient number, since it is larger than the sum of its proper divisors (1091149245).

1400445315 is a wasteful number, since it uses less digits than its factorization.

1400445315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988 (or 7982 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1400445315 is about 37422.5241666032. The cubic root of 1400445315 is about 1118.8075411662.

Adding to 1400445315 its reverse (5135440041), we get a palindrome (6535885356).

It can be divided in two parts, 14004 and 45315, that added together give a cube (59319 = 39³).

The spelling of 1400445315 in words is "one billion, four hundred million, four hundred forty-five thousand, three hundred fifteen".