1400240712 has 48 divisors (see below), whose sum is σ = 3790603440. Its totient is φ = 430842048.

The previous prime is 1400240689. The next prime is 1400240749. The reversal of 1400240712 is 2170420041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168558 + ... + 176669.

It is an arithmetic number, because the mean of its divisors is an integer number (78970905).

Almost surely, 2^1400240712 is an apocalyptic number.

1400240712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400240712 is an abundant number, since it is smaller than the sum of its proper divisors (2390362728).

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

1400240712 is a wasteful number, since it uses less digits than its factorization.

1400240712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345262 (or 345245 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1400240712 is about 37419.7903788891. The cubic root of 1400240712 is about 1118.7530531340.

Adding to 1400240712 its reverse (2170420041), we get a palindrome (3570660753).

The spelling of 1400240712 in words is "one billion, four hundred million, two hundred forty thousand, seven hundred twelve".