40459776 has 160 divisors (see below), whose sum is σ = 127277568. Its totient is φ = 11182080.

The previous prime is 40459753. The next prime is 40459777. The reversal of 40459776 is 67795404.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40459777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569821 + ... + 569891.

Almost surely, 2^40459776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40459776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63638784).

40459776 is an abundant number, since it is smaller than the sum of its proper divisors (86817792).

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

40459776 is an equidigital number, since it uses as much as digits as its factorization.

40459776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 40459776 is about 6360.7999496919. The cubic root of 40459776 is about 343.3005437837.

The spelling of 40459776 in words is "forty million, four hundred fifty-nine thousand, seven hundred seventy-six".