1264754396004 has 96 divisors (see below), whose sum is σ = 3409802428032. Its totient is φ = 360602880000.

The previous prime is 1264754395969. The next prime is 1264754396051. The reversal of 1264754396004 is 4006934574621.

It is a super-2 number, since 2×1264754396004² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7322074 + ... + 7492814.

It is an arithmetic number, because the mean of its divisors is an integer number (35518775292).

Almost surely, 2^{1264754396004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264754396004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704901214016).

1264754396004 is an abundant number, since it is smaller than the sum of its proper divisors (2145048032028).

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

1264754396004 is a wasteful number, since it uses less digits than its factorization.

1264754396004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174077 (or 174075 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 1264754396004 in words is "one trillion, two hundred sixty-four billion, seven hundred fifty-four million, three hundred ninety-six thousand, four".