40231782534 has 32 divisors (see below), whose sum is σ = 83522365920. Its totient is φ = 12903951872.

The previous prime is 40231782523. The next prime is 40231782583. The reversal of 40231782534 is 43528713204.

It is a super-2 number, since 2×40231782534² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40231782492 and 40231782501.

It is a congruent number.

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, 343587 + ... + 445550.

It is an arithmetic number, because the mean of its divisors is an integer number (2610073935).

Almost surely, 2^40231782534 is an apocalyptic number.

40231782534 is an abundant number, since it is smaller than the sum of its proper divisors (43290583386).

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

40231782534 is a wasteful number, since it uses less digits than its factorization.

40231782534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789464.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 40231782534 in words is "forty billion, two hundred thirty-one million, seven hundred eighty-two thousand, five hundred thirty-four".