40521513121022 has 4 divisors (see below), whose sum is σ = 60782269681536. Its totient is φ = 20260756560510.

The previous prime is 40521513120961. The next prime is 40521513121087. The reversal of 40521513121022 is 22012131512504.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130378280254 + ... + 10130378280257.

It is an arithmetic number, because the mean of its divisors is an integer number (15195567420384).

Almost surely, 2^{40521513121022} is an apocalyptic number.

40521513121022 is a deficient number, since it is larger than the sum of its proper divisors (20260756560514).

40521513121022 is a wasteful number, since it uses less digits than its factorization.

40521513121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20260756560513.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 40521513121022 its reverse (22012131512504), we get a palindrome (62533644633526).

The spelling of 40521513121022 in words is "forty trillion, five hundred twenty-one billion, five hundred thirteen million, one hundred twenty-one thousand, twenty-two".