45474236400 has 120 divisors (see below), whose sum is σ = 146110501504. Its totient is φ = 12089721600.

The previous prime is 45474236387. The next prime is 45474236407. The reversal of 45474236400 is 463247454.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45474236407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339957 + ... + 454443.

Almost surely, 2^45474236400 is an apocalyptic number.

45474236400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45474236400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73055250752).

45474236400 is an abundant number, since it is smaller than the sum of its proper divisors (100636265104).

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

45474236400 is a wasteful number, since it uses less digits than its factorization.

45474236400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114839 (or 114828 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 45474236400 in words is "forty-five billion, four hundred seventy-four million, two hundred thirty-six thousand, four hundred".