1400124247640 has 16 divisors (see below), whose sum is σ = 3150279557280. Its totient is φ = 560049699040.

The previous prime is 1400124247633. The next prime is 1400124247657. The reversal of 1400124247640 is 467424210041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400124247640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17501553056 + ... + 17501553135.

It is an arithmetic number, because the mean of its divisors is an integer number (196892472330).

Almost surely, 2^{1400124247640} is an apocalyptic number.

1400124247640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400124247640 is an abundant number, since it is smaller than the sum of its proper divisors (1750155309640).

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

1400124247640 is a wasteful number, since it uses less digits than its factorization.

1400124247640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35003106202 (or 35003106198 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 1400124247640 its reverse (467424210041), we get a palindrome (1867548457681).

The spelling of 1400124247640 in words is "one trillion, four hundred billion, one hundred twenty-four million, two hundred forty-seven thousand, six hundred forty".