40667157 has 8 divisors (see below), whose sum is σ = 60247680. Its totient is φ = 27111420.

The previous prime is 40667141. The next prime is 40667171. The reversal of 40667157 is 75176604.

It is not a de Polignac number, because 40667157 - 2⁴ = 40667141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40667117) 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, 753069 + ... + 753122.

It is an arithmetic number, because the mean of its divisors is an integer number (7530960).

Almost surely, 2^40667157 is an apocalyptic number.

It is an amenable number.

40667157 is a deficient number, since it is larger than the sum of its proper divisors (19580523).

40667157 is a wasteful number, since it uses less digits than its factorization.

40667157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506200 (or 1506194 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40667157 is about 6377.0806016546. The cubic root of 40667157 is about 343.8860859750.

The spelling of 40667157 in words is "forty million, six hundred sixty-seven thousand, one hundred fifty-seven".