40387848 has 16 divisors (see below), whose sum is σ = 100969680. Its totient is φ = 13462608.

The previous prime is 40387847. The next prime is 40387861. The reversal of 40387848 is 84878304.

It is a super-2 number, since 2×40387848² = 3262356532142208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40387847) 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, 841390 + ... + 841437.

It is an arithmetic number, because the mean of its divisors is an integer number (6310605).

Almost surely, 2^40387848 is an apocalyptic number.

It is an amenable number.

40387848 is an abundant number, since it is smaller than the sum of its proper divisors (60581832).

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

40387848 is a wasteful number, since it uses less digits than its factorization.

40387848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682836 (or 1682832 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 40387848 is about 6355.1434287512. The cubic root of 40387848 is about 343.0969871391.

The spelling of 40387848 in words is "forty million, three hundred eighty-seven thousand, eight hundred forty-eight".