40645962 has 80 divisors (see below), whose sum is σ = 105728832. Its totient is φ = 11430720.

The previous prime is 40645951. The next prime is 40645967. The reversal of 40645962 is 26954604.

40645962 is a `hidden beast` number, since 4 + 0 + 64 + 596 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40645967) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82537 + ... + 83027.

Almost surely, 2^40645962 is an apocalyptic number.

40645962 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 40645962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52864416).

40645962 is an abundant number, since it is smaller than the sum of its proper divisors (65082870).

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

40645962 is a wasteful number, since it uses less digits than its factorization.

40645962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 40645962 is about 6375.4185744938. The cubic root of 40645962 is about 343.8263331529.

The spelling of 40645962 in words is "forty million, six hundred forty-five thousand, nine hundred sixty-two".