40232949504 has 144 divisors (see below), whose sum is σ = 117041925504. Its totient is φ = 12167884800.

The previous prime is 40232949503. The next prime is 40232949529. The reversal of 40232949504 is 40594923204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232949503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4565967 + ... + 4574769.

Almost surely, 2^40232949504 is an apocalyptic number.

40232949504 is a gapful number since it is divisible by the number (44) 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 40232949504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58520962752).

40232949504 is an abundant number, since it is smaller than the sum of its proper divisors (76808976000).

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

40232949504 is a wasteful number, since it uses less digits than its factorization.

40232949504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374 (or 9360 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 40232949504 in words is "forty billion, two hundred thirty-two million, nine hundred forty-nine thousand, five hundred four".