405030147720 has 64 divisors (see below), whose sum is σ = 1325553215040. Its totient is φ = 98189126400.

The previous prime is 405030147689. The next prime is 405030147733. The reversal of 405030147720 is 27741030504.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 153419191 + ... + 153421830.

It is an arithmetic number, because the mean of its divisors is an integer number (20711768985).

Almost surely, 2^405030147720 is an apocalyptic number.

405030147720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405030147720 is an abundant number, since it is smaller than the sum of its proper divisors (920523067320).

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

405030147720 is a wasteful number, since it uses less digits than its factorization.

405030147720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306841046 (or 306841042 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The spelling of 405030147720 in words is "four hundred five billion, thirty million, one hundred forty-seven thousand, seven hundred twenty".