40561662 has 16 divisors (see below), whose sum is σ = 83921040. Its totient is φ = 13054272.

The previous prime is 40561639. The next prime is 40561663. The reversal of 40561662 is 26616504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40561663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116383 + ... + 116730.

It is an arithmetic number, because the mean of its divisors is an integer number (5245065).

Almost surely, 2^40561662 is an apocalyptic number.

40561662 is an abundant number, since it is smaller than the sum of its proper divisors (43359378).

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

40561662 is a wasteful number, since it uses less digits than its factorization.

40561662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233147.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40561662 is about 6368.8038123340. The cubic root of 40561662 is about 343.5884692534.

The spelling of 40561662 in words is "forty million, five hundred sixty-one thousand, six hundred sixty-two".