40478659200 has 1536 divisors, whose sum is σ = 186502348800. Its totient is φ = 8360755200.

The previous prime is 40478659159. The next prime is 40478659201. The reversal of 40478659200 is 295687404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (40478659201) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 318729537 + ... + 318729663.

It is an arithmetic number, because the mean of its divisors is an integer number (121420800).

Almost surely, 2^40478659200 is an apocalyptic number.

40478659200 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 40478659200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93251174400).

40478659200 is an abundant number, since it is smaller than the sum of its proper divisors (146023689600).

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

40478659200 is a wasteful number, since it uses less digits than its factorization.

40478659200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 40478659200 in words is "forty billion, four hundred seventy-eight million, six hundred fifty-nine thousand, two hundred".