40272925 has 24 divisors (see below), whose sum is σ = 62263872. Its totient is φ = 25104000.

The previous prime is 40272901. The next prime is 40272929. The reversal of 40272925 is 52927204.

It is not a de Polignac number, because 40272925 - 2¹³ = 40264733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40272929) 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 23 ways as a sum of consecutive naturals, for example, 8536 + ... + 12385.

It is an arithmetic number, because the mean of its divisors is an integer number (2594328).

Almost surely, 2^40272925 is an apocalyptic number.

It is an amenable number.

40272925 is a deficient number, since it is larger than the sum of its proper divisors (21990947).

40272925 is a wasteful number, since it uses less digits than its factorization.

40272925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20949 (or 20944 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40272925 is about 6346.0952561398. The cubic root of 40272925 is about 342.7712522532.

The spelling of 40272925 in words is "forty million, two hundred seventy-two thousand, nine hundred twenty-five".