40448045974 has 48 divisors (see below), whose sum is σ = 77306309280. Its totient is φ = 15752567040.

The previous prime is 40448045971. The next prime is 40448045983. The reversal of 40448045974 is 47954084404.

40448045974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40448045974² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40448045971) 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, 370282 + ... + 466909.

It is an arithmetic number, because the mean of its divisors is an integer number (1610548110).

Almost surely, 2^40448045974 is an apocalyptic number.

40448045974 is a deficient number, since it is larger than the sum of its proper divisors (36858263306).

40448045974 is a wasteful number, since it uses less digits than its factorization.

40448045974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837253 (or 837246 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 40448045974 in words is "forty billion, four hundred forty-eight million, forty-five thousand, nine hundred seventy-four".