40046442436 has 96 divisors (see below), whose sum is σ = 95009660928. Its totient is φ = 14262341760.

The previous prime is 40046442431. The next prime is 40046442437. The reversal of 40046442436 is 63424464004.

40046442436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40046442436² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40046442395 and 40046442404.

It is not an unprimeable number, because it can be changed into a prime (40046442431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363861 + ... + 460963.

It is an arithmetic number, because the mean of its divisors is an integer number (989683968).

Almost surely, 2^40046442436 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 40046442436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47504830464).

40046442436 is an abundant number, since it is smaller than the sum of its proper divisors (54963218492).

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

40046442436 is a wasteful number, since it uses less digits than its factorization.

40046442436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97241 (or 97239 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

The spelling of 40046442436 in words is "forty billion, forty-six million, four hundred forty-two thousand, four hundred thirty-six".