40948434 has 12 divisors (see below), whose sum is σ = 88721646. Its totient is φ = 13649472.

The previous prime is 40948433. The next prime is 40948447. The reversal of 40948434 is 43484904.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 1447209 = 6285^2 + 1203^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40948433) 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, 1137439 + ... + 1137474.

Almost surely, 2^40948434 is an apocalyptic number.

40948434 is an abundant number, since it is smaller than the sum of its proper divisors (47773212).

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

40948434 is a wasteful number, since it uses less digits than its factorization.

40948434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274921 (or 2274918 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 40948434 is about 6399.0963424534. The cubic root of 40948434 is about 344.6771017887.

The spelling of 40948434 in words is "forty million, nine hundred forty-eight thousand, four hundred thirty-four".