45243417240 has 128 divisors (see below), whose sum is σ = 172355904000. Its totient is φ = 10341350784.

The previous prime is 45243417229. The next prime is 45243417269. The reversal of 45243417240 is 4271434254.

45243417240 is a `hidden beast` number, since 4 + 52 + 434 + 172 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45243417195 and 45243417204.

It is a congruent number.

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, 2984730 + ... + 2999849.

It is an arithmetic number, because the mean of its divisors is an integer number (1346530500).

Almost surely, 2^45243417240 is an apocalyptic number.

45243417240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45243417240 is an abundant number, since it is smaller than the sum of its proper divisors (127112486760).

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

45243417240 is a wasteful number, since it uses less digits than its factorization.

45243417240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984606 (or 5984596 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The spelling of 45243417240 in words is "forty-five billion, two hundred forty-three million, four hundred seventeen thousand, two hundred forty".