40479800 has 48 divisors (see below), whose sum is σ = 97166400. Its totient is φ = 15667200.

The previous prime is 40479799. The next prime is 40479809. The reversal of 40479800 is 897404.

It is a happy number.

It is a super-2 number, since 2×40479800² = 3277228416080000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40479809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2936 + ... + 9464.

It is an arithmetic number, because the mean of its divisors is an integer number (2024300).

Almost surely, 2^40479800 is an apocalyptic number.

40479800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40479800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48583200).

40479800 is an abundant number, since it is smaller than the sum of its proper divisors (56686600).

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

40479800 is a wasteful number, since it uses less digits than its factorization.

40479800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576 (or 6567 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 40479800 is about 6362.3737708500. The cubic root of 40479800 is about 343.3571688818.

The spelling of 40479800 in words is "forty million, four hundred seventy-nine thousand, eight hundred".