40261404 has 24 divisors (see below), whose sum is σ = 94324608. Its totient is φ = 13366000.

The previous prime is 40261379. The next prime is 40261411. The reversal of 40261404 is 40416204.

40261404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672 + ... + 9695.

It is an arithmetic number, because the mean of its divisors is an integer number (3930192).

Almost surely, 2^40261404 is an apocalyptic number.

It is an amenable number.

40261404 is an abundant number, since it is smaller than the sum of its proper divisors (54063204).

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

40261404 is a wasteful number, since it uses less digits than its factorization.

40261404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13625 (or 13623 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40261404 is about 6345.1874676797. The cubic root of 40261404 is about 342.7385632590.

Adding to 40261404 its reverse (40416204), we get a palindrome (80677608).

The spelling of 40261404 in words is "forty million, two hundred sixty-one thousand, four hundred four".