263650240705054 has 144 divisors (see below), whose sum is σ = 481799191574736. Its totient is φ = 107881578604800.

The previous prime is 263650240705039. The next prime is 263650240705079. The reversal of 263650240705054 is 450507042056362.

It is a super-2 number, since 2×263650240705054² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 263650240704989 and 263650240705007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 100591467864 + ... + 100591470484.

It is an arithmetic number, because the mean of its divisors is an integer number (3345827719269).

Almost surely, 2^{263650240705054} is an apocalyptic number.

263650240705054 is a deficient number, since it is larger than the sum of its proper divisors (218148950869682).

263650240705054 is a wasteful number, since it uses less digits than its factorization.

263650240705054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 263650240705054 in words is "two hundred sixty-three trillion, six hundred fifty billion, two hundred forty million, seven hundred five thousand, fifty-four".