40985428 has 12 divisors (see below), whose sum is σ = 78244992. Its totient is φ = 18629720.

The previous prime is 40985411. The next prime is 40985431. The reversal of 40985428 is 82458904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465700 + ... + 465787.

It is an arithmetic number, because the mean of its divisors is an integer number (6520416).

Almost surely, 2^40985428 is an apocalyptic number.

It is an amenable number.

40985428 is a deficient number, since it is larger than the sum of its proper divisors (37259564).

40985428 is a wasteful number, since it uses less digits than its factorization.

40985428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931502 (or 931500 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 40985428 is about 6401.9862542808. The cubic root of 40985428 is about 344.7808676353.

The spelling of 40985428 in words is "forty million, nine hundred eighty-five thousand, four hundred twenty-eight".