40487802 has 16 divisors (see below), whose sum is σ = 81238080. Its totient is φ = 13452192.

The previous prime is 40487801. The next prime is 40487819. The reversal of 40487802 is 20878404.

It is a super-2 number, since 2×40487802² = 3278524221582408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40487801) 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, 8902 + ... + 12657.

It is an arithmetic number, because the mean of its divisors is an integer number (5077380).

Almost surely, 2^40487802 is an apocalyptic number.

40487802 is an abundant number, since it is smaller than the sum of its proper divisors (40750278).

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

40487802 is a wasteful number, since it uses less digits than its factorization.

40487802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21877.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 40487802 is about 6363.0025931159. The cubic root of 40487802 is about 343.3797922070.

Subtracting from 40487802 its sum of digits (33), we obtain a square (40487769 = 6363²).

The spelling of 40487802 in words is "forty million, four hundred eighty-seven thousand, eight hundred two".