40554487 has 8 divisors (see below), whose sum is σ = 41567904. Its totient is φ = 39550368.

The previous prime is 40554473. The next prime is 40554517. The reversal of 40554487 is 78445504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40554487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40554407) 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, 6958 + ... + 11380.

It is an arithmetic number, because the mean of its divisors is an integer number (5195988).

Almost surely, 2^40554487 is an apocalyptic number.

40554487 is a deficient number, since it is larger than the sum of its proper divisors (1013417).

40554487 is a wasteful number, since it uses less digits than its factorization.

40554487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 40554487 is about 6368.2404948306. The cubic root of 40554487 is about 343.5682088028.

It can be divided in two parts, 40554 and 487, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 40554487 in words is "forty million, five hundred fifty-four thousand, four hundred eighty-seven".