40526740 has 24 divisors (see below), whose sum is σ = 85314600. Its totient is φ = 16171008.

The previous prime is 40526693. The next prime is 40526741. The reversal of 40526740 is 4762504.

It can be written as a sum of positive squares in 4 ways, for example, as 784 + 40525956 = 28^2 + 6366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40526699 and 40526708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40526741) 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, 6724 + ... + 11236.

It is an arithmetic number, because the mean of its divisors is an integer number (3554775).

Almost surely, 2^40526740 is an apocalyptic number.

It is an amenable number.

40526740 is an abundant number, since it is smaller than the sum of its proper divisors (44787860).

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

40526740 is a wasteful number, since it uses less digits than its factorization.

40526740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40526740 is about 6366.0615768307. The cubic root of 40526740 is about 343.4898355430.

The spelling of 40526740 in words is "forty million, five hundred twenty-six thousand, seven hundred forty".