1240400014 has 24 divisors (see below), whose sum is σ = 2191782240. Its totient is φ = 524867616.

The previous prime is 1240399997. The next prime is 1240400023. The reversal of 1240400014 is 4100040421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72367 + ... + 87850.

It is an arithmetic number, because the mean of its divisors is an integer number (91324260).

Almost surely, 2^1240400014 is an apocalyptic number.

1240400014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1240400014 is a deficient number, since it is larger than the sum of its proper divisors (951382226).

1240400014 is a wasteful number, since it uses less digits than its factorization.

1240400014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160312 (or 160305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1240400014 is about 35219.3130824552. The cubic root of 1240400014 is about 1074.4525827272.

Adding to 1240400014 its reverse (4100040421), we get a palindrome (5340440435).

The spelling of 1240400014 in words is "one billion, two hundred forty million, four hundred thousand, fourteen".