420177371340 has 48 divisors (see below), whose sum is σ = 1189715718240. Its totient is φ = 110788339200.

The previous prime is 420177371333. The next prime is 420177371389. The reversal of 420177371340 is 43173771024.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39337111 + ... + 39347790.

It is an arithmetic number, because the mean of its divisors is an integer number (24785744130).

Almost surely, 2^420177371340 is an apocalyptic number.

It is an amenable number.

420177371340 is an abundant number, since it is smaller than the sum of its proper divisors (769538346900).

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

420177371340 is a wasteful number, since it uses less digits than its factorization.

420177371340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78685002 (or 78685000 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 420177371340 in words is "four hundred twenty billion, one hundred seventy-seven million, three hundred seventy-one thousand, three hundred forty".