1400957712 has 120 divisors (see below), whose sum is σ = 4888228800. Its totient is φ = 363882240.

The previous prime is 1400957681. The next prime is 1400957771. The reversal of 1400957712 is 2177590041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52087 + ... + 74262.

It is an arithmetic number, because the mean of its divisors is an integer number (40735240).

Almost surely, 2^1400957712 is an apocalyptic number.

1400957712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400957712 is an abundant number, since it is smaller than the sum of its proper divisors (3487271088).

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

1400957712 is a wasteful number, since it uses less digits than its factorization.

1400957712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126381 (or 126372 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 1400957712 is about 37429.3696447055. The cubic root of 1400957712 is about 1118.9439748465.

The spelling of 1400957712 in words is "one billion, four hundred million, nine hundred fifty-seven thousand, seven hundred twelve".