1401309599880 has 64 divisors (see below), whose sum is σ = 4339539417600. Its totient is φ = 361628282880.

The previous prime is 1401309599857. The next prime is 1401309599887. The reversal of 1401309599880 is 889959031041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401309599880.

It is not an unprimeable number, because it can be changed into a prime (1401309599887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188344345 + ... + 188351784.

It is an arithmetic number, because the mean of its divisors is an integer number (67805303400).

Almost surely, 2^{1401309599880} is an apocalyptic number.

1401309599880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401309599880 is an abundant number, since it is smaller than the sum of its proper divisors (2938229817720).

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

1401309599880 is a wasteful number, since it uses less digits than its factorization.

1401309599880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376696174 (or 376696170 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 57.

The spelling of 1401309599880 in words is "one trillion, four hundred one billion, three hundred nine million, five hundred ninety-nine thousand, eight hundred eighty".