40578762 has 96 divisors (see below), whose sum is σ = 104602752. Its totient is φ = 10407936.

The previous prime is 40578731. The next prime is 40578767. The reversal of 40578762 is 26787504.

It is a self number, because there is not a number n which added to its sum of digits gives 40578762.

It is not an unprimeable number, because it can be changed into a prime (40578767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114778 + ... + 115130.

It is an arithmetic number, because the mean of its divisors is an integer number (1089612).

Almost surely, 2^40578762 is an apocalyptic number.

40578762 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40578762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52301376).

40578762 is an abundant number, since it is smaller than the sum of its proper divisors (64023990).

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

40578762 is a wasteful number, since it uses less digits than its factorization.

40578762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 40578762 is about 6370.1461521695. The cubic root of 40578762 is about 343.6367458532.

The spelling of 40578762 in words is "forty million, five hundred seventy-eight thousand, seven hundred sixty-two".