40083750 has 120 divisors (see below), whose sum is σ = 124272720. Its totient is φ = 9144000.

The previous prime is 40083737. The next prime is 40083763. The reversal of 40083750 is 5738004.

It is an interprime number because it is at equal distance from previous prime (40083737) and next prime (40083763).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 78496 + ... + 79004.

It is an arithmetic number, because the mean of its divisors is an integer number (1035606).

Almost surely, 2^40083750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40083750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62136360).

40083750 is an abundant number, since it is smaller than the sum of its proper divisors (84188970).

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

40083750 is a wasteful number, since it uses less digits than its factorization.

40083750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40083750 is about 6331.1728771216. The cubic root of 40083750 is about 342.2337070898.

The spelling of 40083750 in words is "forty million, eighty-three thousand, seven hundred fifty".