40049152 has 80 divisors (see below), whose sum is σ = 94181472. Its totient is φ = 16773120.

The previous prime is 40049111. The next prime is 40049153. The reversal of 40049152 is 25194004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40049153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72943 + ... + 73489.

Almost surely, 2^40049152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40049152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47090736).

40049152 is an abundant number, since it is smaller than the sum of its proper divisors (54132320).

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

40049152 is a wasteful number, since it uses less digits than its factorization.

40049152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 40049152 is about 6328.4399341386. The cubic root of 40049152 is about 342.1352132268.

The spelling of 40049152 in words is "forty million, forty-nine thousand, one hundred fifty-two".