40455552212 has 6 divisors (see below), whose sum is σ = 70797216378. Its totient is φ = 20227776104.

The previous prime is 40455552209. The next prime is 40455552223. The reversal of 40455552212 is 21225555404.

It can be written as a sum of positive squares in only one way, i.e., 38996770576 + 1458781636 = 197476^2 + 38194^2 .

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, 5056944023 + ... + 5056944030.

It is an arithmetic number, because the mean of its divisors is an integer number (11799536063).

Almost surely, 2^40455552212 is an apocalyptic number.

It is an amenable number.

40455552212 is a deficient number, since it is larger than the sum of its proper divisors (30341664166).

40455552212 is a wasteful number, since it uses less digits than its factorization.

40455552212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113888057 (or 10113888055 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 40455552212 in words is "forty billion, four hundred fifty-five million, five hundred fifty-two thousand, two hundred twelve".