40945487 has 16 divisors (see below), whose sum is σ = 45826560. Its totient is φ = 36271200.

The previous prime is 40945453. The next prime is 40945493. The reversal of 40945487 is 78454904.

It is a cyclic number.

It is not a de Polignac number, because 40945487 - 2⁶ = 40945423 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 (40945427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80189 + ... + 80697.

It is an arithmetic number, because the mean of its divisors is an integer number (2864160).

Almost surely, 2^40945487 is an apocalyptic number.

40945487 is a deficient number, since it is larger than the sum of its proper divisors (4881073).

40945487 is a wasteful number, since it uses less digits than its factorization.

40945487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 40945487 is about 6398.8660714223. The cubic root of 40945487 is about 344.6688329516.

The spelling of 40945487 in words is "forty million, nine hundred forty-five thousand, four hundred eighty-seven".