42720977046 has 48 divisors (see below), whose sum is σ = 95455234224. Its totient is φ = 12733512000.

The previous prime is 42720977011. The next prime is 42720977059. The reversal of 42720977046 is 64077902724.

42720977046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42720977046² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42720976986 and 42720977004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438045 + ... + 526616.

It is an arithmetic number, because the mean of its divisors is an integer number (1988650713).

Almost surely, 2^42720977046 is an apocalyptic number.

42720977046 is an abundant number, since it is smaller than the sum of its proper divisors (52734257178).

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

42720977046 is a wasteful number, since it uses less digits than its factorization.

42720977046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964749 (or 964738 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 42720977046 in words is "forty-two billion, seven hundred twenty million, nine hundred seventy-seven thousand, forty-six".