40702842 has 12 divisors (see below), whose sum is σ = 88189530. Its totient is φ = 13567608.

The previous prime is 40702841. The next prime is 40702843. The reversal of 40702842 is 24820704.

It is an interprime number because it is at equal distance from previous prime (40702841) and next prime (40702843).

It can be written as a sum of positive squares in only one way, i.e., 24710841 + 15992001 = 4971^2 + 3999^2 .

It is not an unprimeable number, because it can be changed into a prime (40702841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1130617 + ... + 1130652.

Almost surely, 2^40702842 is an apocalyptic number.

40702842 is an abundant number, since it is smaller than the sum of its proper divisors (47486688).

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

40702842 is a wasteful number, since it uses less digits than its factorization.

40702842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261277 (or 2261274 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 40702842 is about 6379.8778985181. The cubic root of 40702842 is about 343.9866420358.

The spelling of 40702842 in words is "forty million, seven hundred two thousand, eight hundred forty-two".