45071643447400 has 48 divisors (see below), whose sum is σ = 104792028779340. Its totient is φ = 18028578624000.

The previous prime is 45071643447367. The next prime is 45071643447461. The reversal of 45071643447400 is 474434617054.

It can be written as a sum of positive squares in 6 ways, for example, as 21577827297636 + 23493816149764 = 4645194^2 + 4847042^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72116250 + ... + 72738550.

Almost surely, 2^{45071643447400} is an apocalyptic number.

45071643447400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45071643447400 is an abundant number, since it is smaller than the sum of its proper divisors (59720385331940).

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

45071643447400 is a wasteful number, since it uses less digits than its factorization.

45071643447400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984454 (or 984445 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 49.

The spelling of 45071643447400 in words is "forty-five trillion, seventy-one billion, six hundred forty-three million, four hundred forty-seven thousand, four hundred".