1400290166640 has 40 divisors (see below), whose sum is σ = 4340899517328. Its totient is φ = 373410711040.

The previous prime is 1400290166633. The next prime is 1400290166663. The reversal of 1400290166640 is 466610920041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917270941 + ... + 2917271420.

Almost surely, 2^{1400290166640} is an apocalyptic number.

1400290166640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400290166640 is an abundant number, since it is smaller than the sum of its proper divisors (2940609350688).

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

1400290166640 is a wasteful number, since it uses less digits than its factorization.

1400290166640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834542377 (or 5834542371 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 1400290166640 in words is "one trillion, four hundred billion, two hundred ninety million, one hundred sixty-six thousand, six hundred forty".