15473400742 has 16 divisors (see below), whose sum is σ = 24222330720. Its totient is φ = 7399376512.

The previous prime is 15473400737. The next prime is 15473400743. The reversal of 15473400742 is 24700437451.

It is a super-2 number, since 2×15473400742² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15473400743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456948 + ... + 489640.

It is an arithmetic number, because the mean of its divisors is an integer number (1513895670).

Almost surely, 2^15473400742 is an apocalyptic number.

15473400742 is a deficient number, since it is larger than the sum of its proper divisors (8748929978).

15473400742 is a wasteful number, since it uses less digits than its factorization.

15473400742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43007.

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 15473400742 in words is "fifteen billion, four hundred seventy-three million, four hundred thousand, seven hundred forty-two".