40321514154122 has 4 divisors (see below), whose sum is σ = 60482271231186. Its totient is φ = 20160757077060.

The previous prime is 40321514154091. The next prime is 40321514154157. The reversal of 40321514154122 is 22145141512304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35908989592921 + 4412524561201 = 5992411^2 + 2100601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10080378538529 + ... + 10080378538532.

Almost surely, 2^{40321514154122} is an apocalyptic number.

40321514154122 is a deficient number, since it is larger than the sum of its proper divisors (20160757077064).

40321514154122 is a wasteful number, since it uses less digits than its factorization.

40321514154122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160757077063.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 40321514154122 its reverse (22145141512304), we get a palindrome (62466655666426).

The spelling of 40321514154122 in words is "forty trillion, three hundred twenty-one billion, five hundred fourteen million, one hundred fifty-four thousand, one hundred twenty-two".