40144011432 has 64 divisors (see below), whose sum is σ = 114754406400. Its totient is φ = 11463994560.

The previous prime is 40144011421. The next prime is 40144011449. The reversal of 40144011432 is 23411044104.

It is a super-2 number, since 2×40144011432² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283957 + ... + 401147.

It is an arithmetic number, because the mean of its divisors is an integer number (1793037600).

Almost surely, 2^40144011432 is an apocalyptic number.

40144011432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40144011432 is an abundant number, since it is smaller than the sum of its proper divisors (74610394968).

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

40144011432 is a wasteful number, since it uses less digits than its factorization.

40144011432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119246 (or 119242 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 40144011432 its reverse (23411044104), we get a palindrome (63555055536).

The spelling of 40144011432 in words is "forty billion, one hundred forty-four million, eleven thousand, four hundred thirty-two".