40527820 has 12 divisors (see below), whose sum is σ = 85108464. Its totient is φ = 16211120.

The previous prime is 40527811. The next prime is 40527827. The reversal of 40527820 is 2872504.

It is not an unprimeable number, because it can be changed into a prime (40527827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013176 + ... + 1013215.

It is an arithmetic number, because the mean of its divisors is an integer number (7092372).

Almost surely, 2^40527820 is an apocalyptic number.

It is an amenable number.

40527820 is an abundant number, since it is smaller than the sum of its proper divisors (44580644).

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

40527820 is a wasteful number, since it uses less digits than its factorization.

40527820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026400 (or 2026398 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40527820 is about 6366.1464010813. The cubic root of 40527820 is about 343.4928867443.

The spelling of 40527820 in words is "forty million, five hundred twenty-seven thousand, eight hundred twenty".