1402640155380 has 24 divisors (see below), whose sum is σ = 3927392435232. Its totient is φ = 374037374752.

The previous prime is 1402640155373. The next prime is 1402640155403. The reversal of 1402640155380 is 835510462041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11688667902 + ... + 11688668021.

It is an arithmetic number, because the mean of its divisors is an integer number (163641351468).

Almost surely, 2^{1402640155380} is an apocalyptic number.

1402640155380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402640155380 is an abundant number, since it is smaller than the sum of its proper divisors (2524752279852).

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

1402640155380 is a wasteful number, since it uses less digits than its factorization.

1402640155380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23377335935 (or 23377335933 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 1402640155380 in words is "one trillion, four hundred two billion, six hundred forty million, one hundred fifty-five thousand, three hundred eighty".