40237960 has 64 divisors (see below), whose sum is σ = 104353920. Its totient is φ = 13678080.

The previous prime is 40237949. The next prime is 40237961. The reversal of 40237960 is 6973204.

It is not an unprimeable number, because it can be changed into a prime (40237961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36132 + ... + 37228.

It is an arithmetic number, because the mean of its divisors is an integer number (1630530).

Almost surely, 2^40237960 is an apocalyptic number.

40237960 is a gapful number since it is divisible by the number (40) 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 40237960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52176960).

40237960 is an abundant number, since it is smaller than the sum of its proper divisors (64115960).

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

40237960 is a wasteful number, since it uses less digits than its factorization.

40237960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40237960 is about 6343.3398143249. The cubic root of 40237960 is about 342.6720253990.

The spelling of 40237960 in words is "forty million, two hundred thirty-seven thousand, nine hundred sixty".