40259477 has 4 divisors (see below), whose sum is σ = 40628940. Its totient is φ = 39890016.

The previous prime is 40259467. The next prime is 40259501. The reversal of 40259477 is 77495204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19838116 + 20421361 = 4454^2 + 4519^2 .

It is a cyclic number.

It is not a de Polignac number, because 40259477 - 2¹⁰ = 40258453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40259477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40259437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184568 + ... + 184785.

It is an arithmetic number, because the mean of its divisors is an integer number (10157235).

Almost surely, 2^40259477 is an apocalyptic number.

It is an amenable number.

40259477 is a deficient number, since it is larger than the sum of its proper divisors (369463).

40259477 is a wasteful number, since it uses less digits than its factorization.

40259477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369462.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 40259477 is about 6345.0356184973. The cubic root of 40259477 is about 342.7330950961.

The spelling of 40259477 in words is "forty million, two hundred fifty-nine thousand, four hundred seventy-seven".