420045288749 has 8 divisors (see below), whose sum is σ = 444793016448. Its totient is φ = 395301914560.

The previous prime is 420045288703. The next prime is 420045288757. The reversal of 420045288749 is 947882540024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420045288749 - 2⁸ = 420045288493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420045288749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420045288769) 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, 888677 + ... + 1276650.

It is an arithmetic number, because the mean of its divisors is an integer number (55599127056).

Almost surely, 2^420045288749 is an apocalyptic number.

It is an amenable number.

420045288749 is a deficient number, since it is larger than the sum of its proper divisors (24747727699).

420045288749 is a wasteful number, since it uses less digits than its factorization.

420045288749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176755.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 420045288749 in words is "four hundred twenty billion, forty-five million, two hundred eighty-eight thousand, seven hundred forty-nine".