1407707747742 has 16 divisors (see below), whose sum is σ = 2815446954240. Its totient is φ = 469230672792.

The previous prime is 1407707747741. The next prime is 1407707747807. The reversal of 1407707747742 is 2477477077041.

It is a super-2 number, since 2×1407707747742² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407707747741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707718 + ... + 1821065.

It is an arithmetic number, because the mean of its divisors is an integer number (175965434640).

Almost surely, 2^{1407707747742} is an apocalyptic number.

1407707747742 is an abundant number, since it is smaller than the sum of its proper divisors (1407739206498).

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

1407707747742 is a wasteful number, since it uses less digits than its factorization.

1407707747742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621567.

The product of its (nonzero) digits is 15059072, while the sum is 57.

The spelling of 1407707747742 in words is "one trillion, four hundred seven billion, seven hundred seven million, seven hundred forty-seven thousand, seven hundred forty-two".