45430021044 has 24 divisors (see below), whose sum is σ = 117781536320. Its totient is φ = 15143340312.

The previous prime is 45430020997. The next prime is 45430021057. The reversal of 45430021044 is 44012003454.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45430020999 and 45430021017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210324064 + ... + 210324279.

Almost surely, 2^45430021044 is an apocalyptic number.

It is an amenable number.

45430021044 is an abundant number, since it is smaller than the sum of its proper divisors (72351515276).

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

45430021044 is a wasteful number, since it uses less digits than its factorization.

45430021044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420648356 (or 420648348 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 45430021044 its reverse (44012003454), we get a palindrome (89442024498).

The spelling of 45430021044 in words is "forty-five billion, four hundred thirty million, twenty-one thousand, forty-four".