30401651550 has 48 divisors (see below), whose sum is σ = 77000285952. Its totient is φ = 7934613600.

The previous prime is 30401651521. The next prime is 30401651561. The reversal of 30401651550 is 5515610403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2149096 + ... + 2163195.

It is an arithmetic number, because the mean of its divisors is an integer number (1604172624).

Almost surely, 2^30401651550 is an apocalyptic number.

30401651550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30401651550 is an abundant number, since it is smaller than the sum of its proper divisors (46598634402).

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

30401651550 is a wasteful number, since it uses less digits than its factorization.

30401651550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312353 (or 4312348 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 30401651550 in words is "thirty billion, four hundred one million, six hundred fifty-one thousand, five hundred fifty".