40081048 has 32 divisors (see below), whose sum is σ = 86434560. Its totient is φ = 17068320.

The previous prime is 40081043. The next prime is 40081081. The reversal of 40081048 is 84018004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40081043) 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, 6933 + ... + 11323.

It is an arithmetic number, because the mean of its divisors is an integer number (2701080).

Almost surely, 2^40081048 is an apocalyptic number.

It is an amenable number.

40081048 is an abundant number, since it is smaller than the sum of its proper divisors (46353512).

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

40081048 is a wasteful number, since it uses less digits than its factorization.

40081048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567 (or 4563 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 40081048 is about 6330.9594849438. The cubic root of 40081048 is about 342.2260170553.

The spelling of 40081048 in words is "forty million, eighty-one thousand, forty-eight".