40372142040 has 128 divisors (see below), whose sum is σ = 134761536000. Its totient is φ = 10750886784.

The previous prime is 40372142033. The next prime is 40372142089. The reversal of 40372142040 is 4024127304.

40372142040 is a `hidden beast` number, since 403 + 7 + 214 + 2 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40372141995 and 40372142013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759451 + ... + 810869.

It is an arithmetic number, because the mean of its divisors is an integer number (1052824500).

Almost surely, 2^40372142040 is an apocalyptic number.

40372142040 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 40372142040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67380768000).

40372142040 is an abundant number, since it is smaller than the sum of its proper divisors (94389393960).

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

40372142040 is a wasteful number, since it uses less digits than its factorization.

40372142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52166 (or 52156 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 40372142040 its reverse (4024127304), we get a palindrome (44396269344).

The spelling of 40372142040 in words is "forty billion, three hundred seventy-two million, one hundred forty-two thousand, forty".