1051400002644 has 72 divisors (see below), whose sum is σ = 2685436877760. Its totient is φ = 346826016000.

The previous prime is 1051400002589. The next prime is 1051400002669. The reversal of 1051400002644 is 4462000041501.

1051400002644 is a `hidden beast` number, since 1 + 0 + 5 + 14 + 0 + 0 + 0 + 0 + 2 + 644 = 666.

1051400002644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051400002644² (a number of 25 digits) contains 22 as substring.

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, 1218444 + ... + 1894044.

Almost surely, 2^{1051400002644} is an apocalyptic number.

It is an amenable number.

1051400002644 is an abundant number, since it is smaller than the sum of its proper divisors (1634036875116).

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

1051400002644 is a wasteful number, since it uses less digits than its factorization.

1051400002644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676061 (or 676056 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 1051400002644 in words is "one trillion, fifty-one billion, four hundred million, two thousand, six hundred forty-four".