40751487 has 48 divisors (see below), whose sum is σ = 70470400. Its totient is φ = 22670928.

The previous prime is 40751461. The next prime is 40751489. The reversal of 40751487 is 78415704.

It is not a de Polignac number, because 40751487 - 2¹¹ = 40749439 is a prime.

It is a super-2 number, since 2×40751487² = 3321367385422338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40751489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132588 + ... + 132894.

Almost surely, 2^40751487 is an apocalyptic number.

40751487 is a deficient number, since it is larger than the sum of its proper divisors (29718913).

40751487 is a wasteful number, since it uses less digits than its factorization.

40751487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 40751487 is about 6383.6891371683. The cubic root of 40751487 is about 344.1236232039.

The spelling of 40751487 in words is "forty million, seven hundred fifty-one thousand, four hundred eighty-seven".