1400312670 has 16 divisors (see below), whose sum is σ = 3360750480. Its totient is φ = 373416704.

The previous prime is 1400312659. The next prime is 1400312681. The reversal of 1400312670 is 762130041.

It is an interprime number because it is at equal distance from previous prime (1400312659) and next prime (1400312681).

It is a self number, because there is not a number n which added to its sum of digits gives 1400312670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23338515 + ... + 23338574.

It is an arithmetic number, because the mean of its divisors is an integer number (210046905).

Almost surely, 2^1400312670 is an apocalyptic number.

1400312670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400312670 is an abundant number, since it is smaller than the sum of its proper divisors (1960437810).

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

1400312670 is a wasteful number, since it uses less digits than its factorization.

1400312670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46677099.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1400312670 is about 37420.7518631040. The cubic root of 1400312670 is about 1118.7722169469.

The spelling of 1400312670 in words is "one billion, four hundred million, three hundred twelve thousand, six hundred seventy".