40553296 has 120 divisors (see below), whose sum is σ = 102047040. Its totient is φ = 15234048.

The previous prime is 40553287. The next prime is 40553297. The reversal of 40553296 is 69235504.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40553297) 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, 687315 + ... + 687373.

It is an arithmetic number, because the mean of its divisors is an integer number (850392).

Almost surely, 2^40553296 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 40553296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51023520).

40553296 is an abundant number, since it is smaller than the sum of its proper divisors (61493744).

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

40553296 is a wasteful number, since it uses less digits than its factorization.

40553296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 40553296 is about 6368.1469832283. The cubic root of 40553296 is about 343.5648454780.

The spelling of 40553296 in words is "forty million, five hundred fifty-three thousand, two hundred ninety-six".