40937820 has 96 divisors (see below), whose sum is σ = 142926336. Its totient is φ = 8505600.

The previous prime is 40937807. The next prime is 40937839. The reversal of 40937820 is 2873904.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190 + ... + 9050.

It is an arithmetic number, because the mean of its divisors is an integer number (1488816).

Almost surely, 2^40937820 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 40937820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71463168).

40937820 is an abundant number, since it is smaller than the sum of its proper divisors (101988516).

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

40937820 is a wasteful number, since it uses less digits than its factorization.

40937820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8891 (or 8889 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40937820 is about 6398.2669528553. The cubic root of 40937820 is about 344.6473186481.

The spelling of 40937820 in words is "forty million, nine hundred thirty-seven thousand, eight hundred twenty".