395079926780 has 48 divisors (see below), whose sum is σ = 1034391085056. Its totient is φ = 123141794880.

The previous prime is 395079926767. The next prime is 395079926797. The reversal of 395079926780 is 87629970593.

It is a super-2 number, since 2×395079926780² (a number of 24 digits) contains 22 as substring.

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, 128271164 + ... + 128274243.

It is an arithmetic number, because the mean of its divisors is an integer number (21549814272).

Almost surely, 2^395079926780 is an apocalyptic number.

It is an amenable number.

395079926780 is an abundant number, since it is smaller than the sum of its proper divisors (639311158276).

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

395079926780 is a wasteful number, since it uses less digits than its factorization.

395079926780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256545434 (or 256545432 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 65.

The spelling of 395079926780 in words is "three hundred ninety-five billion, seventy-nine million, nine hundred twenty-six thousand, seven hundred eighty".