1407765440634 has 64 divisors (see below), whose sum is σ = 3407352189696. Its totient is φ = 378522860544.

The previous prime is 1407765440603. The next prime is 1407765440639. The reversal of 1407765440634 is 4360445677041.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1407765440639) 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 31 ways as a sum of consecutive naturals, for example, 7918164 + ... + 8094000.

It is an arithmetic number, because the mean of its divisors is an integer number (53239877964).

Almost surely, 2^{1407765440634} is an apocalyptic number.

1407765440634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1407765440634 is an abundant number, since it is smaller than the sum of its proper divisors (1999586749062).

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

1407765440634 is a wasteful number, since it uses less digits than its factorization.

1407765440634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187079.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 1407765440634 in words is "one trillion, four hundred seven billion, seven hundred sixty-five million, four hundred forty thousand, six hundred thirty-four".