40273900 has 18 divisors (see below), whose sum is σ = 87394580. Its totient is φ = 16109520.

The previous prime is 40273879. The next prime is 40273903. The reversal of 40273900 is 937204.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (40273903) 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, 201270 + ... + 201469.

Almost surely, 2^40273900 is an apocalyptic number.

It is an amenable number.

40273900 is an abundant number, since it is smaller than the sum of its proper divisors (47120680).

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

40273900 is a wasteful number, since it uses less digits than its factorization.

40273900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402753 (or 402746 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 40273900 is about 6346.1720745659. The cubic root of 40273900 is about 342.7740183735.

The spelling of 40273900 in words is "forty million, two hundred seventy-three thousand, nine hundred".