40263363266550 has 48 divisors (see below), whose sum is σ = 105108569376960. Its totient is φ = 10171797035040.

The previous prime is 40263363266479. The next prime is 40263363266573. The reversal of 40263363266550 is 5566236336204.

It is a super-2 number, since 2×40263363266550² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40263363266493 and 40263363266502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7063745092 + ... + 7063750791.

It is an arithmetic number, because the mean of its divisors is an integer number (2189761862020).

Almost surely, 2^{40263363266550} is an apocalyptic number.

40263363266550 is an abundant number, since it is smaller than the sum of its proper divisors (64845206110410).

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

40263363266550 is a wasteful number, since it uses less digits than its factorization.

40263363266550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127495917 (or 14127495912 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 51.

The spelling of 40263363266550 in words is "forty trillion, two hundred sixty-three billion, three hundred sixty-three million, two hundred sixty-six thousand, five hundred fifty".