45431401440 has 96 divisors (see below), whose sum is σ = 143966108160. Its totient is φ = 12042473984.

The previous prime is 45431401423. The next prime is 45431401469. The reversal of 45431401440 is 4410413454.

45431401440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 45431401398 and 45431401407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203220 + ... + 363539.

It is an arithmetic number, because the mean of its divisors is an integer number (1499646960).

Almost surely, 2^45431401440 is an apocalyptic number.

45431401440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45431401440 is an abundant number, since it is smaller than the sum of its proper divisors (98534706720).

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

45431401440 is a wasteful number, since it uses less digits than its factorization.

45431401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566944 (or 566936 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 45431401440 its reverse (4410413454), we get a palindrome (49841814894).

The spelling of 45431401440 in words is "forty-five billion, four hundred thirty-one million, four hundred one thousand, four hundred forty".