40907481 has 8 divisors (see below), whose sum is σ = 54653760. Its totient is φ = 27216432.

The previous prime is 40907417. The next prime is 40907527. The reversal of 40907481 is 18470904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40907481 - 2⁶ = 40907417 is a prime.

It is a super-2 number, since 2×40907481² = 3346844003530722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40907401) 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, 12046 + ... + 15063.

It is an arithmetic number, because the mean of its divisors is an integer number (6831720).

Almost surely, 2^40907481 is an apocalyptic number.

It is an amenable number.

40907481 is a deficient number, since it is larger than the sum of its proper divisors (13746279).

40907481 is a wasteful number, since it uses less digits than its factorization.

40907481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27615.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 40907481 is about 6395.8956370472. The cubic root of 40907481 is about 344.5621582829.

The spelling of 40907481 in words is "forty million, nine hundred seven thousand, four hundred eighty-one".