10405440631254 has 16 divisors (see below), whose sum is σ = 21906190802880. Its totient is φ = 3285928620360.

The previous prime is 10405440631249. The next prime is 10405440631259. The reversal of 10405440631254 is 45213604450401.

It is an interprime number because it is at equal distance from previous prime (10405440631249) and next prime (10405440631259).

It is a super-2 number, since 2×10405440631254² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10405440631259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45637897392 + ... + 45637897619.

It is an arithmetic number, because the mean of its divisors is an integer number (1369136925180).

Almost surely, 2^{10405440631254} is an apocalyptic number.

10405440631254 is an abundant number, since it is smaller than the sum of its proper divisors (11500750171626).

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

10405440631254 is a wasteful number, since it uses less digits than its factorization.

10405440631254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91275795035.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 10405440631254 in words is "ten trillion, four hundred five billion, four hundred forty million, six hundred thirty-one thousand, two hundred fifty-four".