4242320401972 has 24 divisors (see below), whose sum is σ = 7501866974784. Its totient is φ = 2098937240832.

The previous prime is 4242320401927. The next prime is 4242320401973. The reversal of 4242320401972 is 2791040232424.

It is a super-2 number, since 2×4242320401972² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242320401973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377303 + ... + 3222049.

It is an arithmetic number, because the mean of its divisors is an integer number (312577790616).

Almost surely, 2^{4242320401972} is an apocalyptic number.

It is an amenable number.

4242320401972 is a deficient number, since it is larger than the sum of its proper divisors (3259546572812).

4242320401972 is a wasteful number, since it uses less digits than its factorization.

4242320401972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850775 (or 1850773 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 4242320401972 in words is "four trillion, two hundred forty-two billion, three hundred twenty million, four hundred one thousand, nine hundred seventy-two".