30725400004 has 24 divisors (see below), whose sum is σ = 60953224640. Its totient is φ = 13434587424.

The previous prime is 30725399983. The next prime is 30725400031. The reversal of 30725400004 is 40000452703.

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, 15548304 + ... + 15550279.

Almost surely, 2^30725400004 is an apocalyptic number.

It is an amenable number.

30725400004 is a deficient number, since it is larger than the sum of its proper divisors (30227824636).

30725400004 is a wasteful number, since it uses less digits than its factorization.

30725400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31098619 (or 31098617 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

Adding to 30725400004 its reverse (40000452703), we get a palindrome (70725852707).

The spelling of 30725400004 in words is "thirty billion, seven hundred twenty-five million, four hundred thousand, four".