45434431020 has 96 divisors (see below), whose sum is σ = 140538424320. Its totient is φ = 10874972160.

The previous prime is 45434431001. The next prime is 45434431073. The reversal of 45434431020 is 2013443454.

It is a super-2 number, since 2×45434431020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383557 + ... + 487836.

It is an arithmetic number, because the mean of its divisors is an integer number (1463941920).

Almost surely, 2^45434431020 is an apocalyptic number.

It is an amenable number.

45434431020 is an abundant number, since it is smaller than the sum of its proper divisors (95103993300).

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

45434431020 is a wasteful number, since it uses less digits than its factorization.

45434431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871495 (or 871493 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 45434431020 its reverse (2013443454), we get a palindrome (47447874474).

The spelling of 45434431020 in words is "forty-five billion, four hundred thirty-four million, four hundred thirty-one thousand, twenty".