40969152 has 140 divisors (see below), whose sum is σ = 138917680. Its totient is φ = 11695104.

The previous prime is 40969151. The next prime is 40969171. The reversal of 40969152 is 25196904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40969151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35724 + ... + 36852.

Almost surely, 2^40969152 is an apocalyptic number.

40969152 is a gapful number since it is divisible by the number (42) 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 40969152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69458840).

40969152 is an abundant number, since it is smaller than the sum of its proper divisors (97948528).

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

40969152 is a wasteful number, since it uses less digits than its factorization.

40969152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 40969152 is about 6400.7149600650. The cubic root of 40969152 is about 344.7352221732.

The spelling of 40969152 in words is "forty million, nine hundred sixty-nine thousand, one hundred fifty-two".