420694516320 has 96 divisors (see below), whose sum is σ = 1427125264992. Its totient is φ = 103555571712.

The previous prime is 420694516309. The next prime is 420694516337. The reversal of 420694516320 is 23615496024.

It is a tau number, because it is divible by the number of its divisors (96).

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, 33703257 + ... + 33715736.

It is an arithmetic number, because the mean of its divisors is an integer number (14865888177).

Almost surely, 2^420694516320 is an apocalyptic number.

420694516320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420694516320 is an abundant number, since it is smaller than the sum of its proper divisors (1006430748672).

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

420694516320 is a wasteful number, since it uses less digits than its factorization.

420694516320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67419024 (or 67419016 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 420694516320 in words is "four hundred twenty billion, six hundred ninety-four million, five hundred sixteen thousand, three hundred twenty".