40157701 has 16 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 37259200.

The previous prime is 40157699. The next prime is 40157713. The reversal of 40157701 is 10775104.

It is a cyclic number.

It is not a de Polignac number, because 40157701 - 2¹ = 40157699 is a prime.

It is a super-2 number, since 2×40157701² = 3225281899210802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40157501) 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, 136911 + ... + 137203.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 2^40157701 is an apocalyptic number.

It is an amenable number.

40157701 is a deficient number, since it is larger than the sum of its proper divisors (3025019).

40157701 is a wasteful number, since it uses less digits than its factorization.

40157701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 40157701 is about 6337.0104150143. The cubic root of 40157701 is about 342.4440415088. Note that the first 3 decimals are identical.

The spelling of 40157701 in words is "forty million, one hundred fifty-seven thousand, seven hundred one".