15400120362 has 96 divisors (see below), whose sum is σ = 34740936384. Its totient is φ = 4545192960.

The previous prime is 15400120349. The next prime is 15400120397. The reversal of 15400120362 is 26302100451.

15400120362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15400120362² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21009348 + ... + 21010080.

It is an arithmetic number, because the mean of its divisors is an integer number (361884754).

Almost surely, 2^15400120362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15400120362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17370468192).

15400120362 is an abundant number, since it is smaller than the sum of its proper divisors (19340816022).

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

15400120362 is a wasteful number, since it uses less digits than its factorization.

15400120362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 15400120362 in words is "fifteen billion, four hundred million, one hundred twenty thousand, three hundred sixty-two".