40131245665410 has 128 divisors (see below), whose sum is σ = 102491598274560. Its totient is φ = 10021809798144.

The previous prime is 40131245665409. The next prime is 40131245665439. The reversal of 40131245665410 is 1456654213104.

It is a super-2 number, since 2×40131245665410² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81923427 + ... + 82411833.

It is an arithmetic number, because the mean of its divisors is an integer number (800715611520).

Almost surely, 2^{40131245665410} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40131245665410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51245799137280).

40131245665410 is an abundant number, since it is smaller than the sum of its proper divisors (62360352609150).

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

40131245665410 is a wasteful number, since it uses less digits than its factorization.

40131245665410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489240.

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 40131245665410 its reverse (1456654213104), we get a palindrome (41587899878514).

The spelling of 40131245665410 in words is "forty trillion, one hundred thirty-one billion, two hundred forty-five million, six hundred sixty-five thousand, four hundred ten".