40382154 has 12 divisors (see below), whose sum is σ = 87494706. Its totient is φ = 13460712.

The previous prime is 40382149. The next prime is 40382159. The reversal of 40382154 is 45128304.

It is an interprime number because it is at equal distance from previous prime (40382149) and next prime (40382159).

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 5631129 = 5895^2 + 2373^2 .

It is not an unprimeable number, because it can be changed into a prime (40382159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121709 + ... + 1121744.

Almost surely, 2^40382154 is an apocalyptic number.

40382154 is an abundant number, since it is smaller than the sum of its proper divisors (47112552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40382154 is a wasteful number, since it uses less digits than its factorization.

40382154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243461 (or 2243458 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 40382154 is about 6354.6954293656. The cubic root of 40382154 is about 343.0808627671.

The spelling of 40382154 in words is "forty million, three hundred eighty-two thousand, one hundred fifty-four".