450428563870 has 16 divisors (see below), whose sum is σ = 810779379408. Its totient is φ = 180169655680.

The previous prime is 450428563817. The next prime is 450428563873. The reversal of 450428563870 is 78365824054.

It is a super-2 number, since 2×450428563870² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450428563873) 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, 1445862 + ... + 1729558.

It is an arithmetic number, because the mean of its divisors is an integer number (50673711213).

Almost surely, 2^450428563870 is an apocalyptic number.

450428563870 is a deficient number, since it is larger than the sum of its proper divisors (360350815538).

450428563870 is a wasteful number, since it uses less digits than its factorization.

450428563870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442475.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 450428563870 in words is "four hundred fifty billion, four hundred twenty-eight million, five hundred sixty-three thousand, eight hundred seventy".