40250136 has 16 divisors (see below), whose sum is σ = 100625400. Its totient is φ = 13416704.

The previous prime is 40250123. The next prime is 40250137. The reversal of 40250136 is 63105204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40250137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838521 + ... + 838568.

Almost surely, 2^40250136 is an apocalyptic number.

It is an amenable number.

40250136 is an abundant number, since it is smaller than the sum of its proper divisors (60375264).

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

40250136 is a wasteful number, since it uses less digits than its factorization.

40250136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677098 (or 1677094 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40250136 is about 6344.2994885172. The cubic root of 40250136 is about 342.7065860791.

The spelling of 40250136 in words is "forty million, two hundred fifty thousand, one hundred thirty-six".