4542160402021 has 16 divisors (see below), whose sum is σ = 5115097714176. Its totient is φ = 3995901000000.

The previous prime is 4542160402001. The next prime is 4542160402063. The reversal of 4542160402021 is 1202040612454.

It is a cyclic number.

It is not a de Polignac number, because 4542160402021 - 2²⁵ = 4542126847589 is a prime.

It is a super-2 number, since 2×4542160402021² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542160402001) 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, 10697271 + ... + 11113771.

It is an arithmetic number, because the mean of its divisors is an integer number (319693607136).

Almost surely, 2^{4542160402021} is an apocalyptic number.

It is an amenable number.

4542160402021 is a deficient number, since it is larger than the sum of its proper divisors (572937312155).

4542160402021 is a wasteful number, since it uses less digits than its factorization.

4542160402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448524.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 4542160402021 in words is "four trillion, five hundred forty-two billion, one hundred sixty million, four hundred two thousand, twenty-one".