15400496377 has 16 divisors (see below), whose sum is σ = 18510446592. Its totient is φ = 12527056080.

The previous prime is 15400496369. The next prime is 15400496381. The reversal of 15400496377 is 77369400451.

It is not a de Polignac number, because 15400496377 - 2³ = 15400496369 is a prime.

It is a super-2 number, since 2×15400496377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15400496317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356149 + ... + 397042.

It is an arithmetic number, because the mean of its divisors is an integer number (1156902912).

Almost surely, 2^15400496377 is an apocalyptic number.

It is an amenable number.

15400496377 is a deficient number, since it is larger than the sum of its proper divisors (3109950215).

15400496377 is a wasteful number, since it uses less digits than its factorization.

15400496377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753348.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 15400496377 in words is "fifteen billion, four hundred million, four hundred ninety-six thousand, three hundred seventy-seven".