40390848 has 42 divisors (see below), whose sum is σ = 115774724. Its totient is φ = 13463424.

The previous prime is 40390843. The next prime is 40390853. The reversal of 40390848 is 84809304.

It is an interprime number because it is at equal distance from previous prime (40390843) and next prime (40390853).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40390841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34486 + ... + 35637.

Almost surely, 2^40390848 is an apocalyptic number.

40390848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40390848 is an abundant number, since it is smaller than the sum of its proper divisors (75383876).

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

40390848 is a wasteful number, since it uses less digits than its factorization.

40390848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70141 (or 70128 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40390848 is about 6355.3794536597. The cubic root of 40390848 is about 343.1054819837.

The spelling of 40390848 in words is "forty million, three hundred ninety thousand, eight hundred forty-eight".