40154015132312 has 32 divisors (see below), whose sum is σ = 81413647715520. Its totient is φ = 18493964413440.

The previous prime is 40154015132281. The next prime is 40154015132389. The reversal of 40154015132312 is 21323151045104.

It is a super-2 number, since 2×40154015132312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3140952239 + ... + 3140965022.

It is an arithmetic number, because the mean of its divisors is an integer number (2544176491110).

Almost surely, 2^{40154015132312} is an apocalyptic number.

It is an amenable number.

40154015132312 is an abundant number, since it is smaller than the sum of its proper divisors (41259632583208).

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

40154015132312 is a wasteful number, since it uses less digits than its factorization.

40154015132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281917331 (or 6281917327 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 40154015132312 its reverse (21323151045104), we get a palindrome (61477166177416).

The spelling of 40154015132312 in words is "forty trillion, one hundred fifty-four billion, fifteen million, one hundred thirty-two thousand, three hundred twelve".