30451523555040 has 96 divisors (see below), whose sum is σ = 109625484810240. Its totient is φ = 6960348240384.

The previous prime is 30451523555039. The next prime is 30451523555113. The reversal of 30451523555040 is 4055532515403.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 30451523554983 and 30451523555001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4531473360 + ... + 4531480079.

It is an arithmetic number, because the mean of its divisors is an integer number (1141932133440).

Almost surely, 2^{30451523555040} is an apocalyptic number.

30451523555040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30451523555040 is an abundant number, since it is smaller than the sum of its proper divisors (79173961255200).

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

30451523555040 is a wasteful number, since it uses less digits than its factorization.

30451523555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062953464 (or 9062953456 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 30451523555040 in words is "thirty trillion, four hundred fifty-one billion, five hundred twenty-three million, five hundred fifty-five thousand, forty".