9400400070061 has 24 divisors (see below), whose sum is σ = 12846900405024. Its totient is φ = 6761526518880.

The previous prime is 9400400070053. The next prime is 9400400070101. The reversal of 9400400070061 is 1600700040049.

It is not a de Polignac number, because 9400400070061 - 2³ = 9400400070053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9400400070001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670779355 + ... + 670793368.

It is an arithmetic number, because the mean of its divisors is an integer number (535287516876).

Almost surely, 2^{9400400070061} is an apocalyptic number.

9400400070061 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9400400070061 is a deficient number, since it is larger than the sum of its proper divisors (3446500334963).

9400400070061 is a wasteful number, since it uses less digits than its factorization.

9400400070061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341572761 (or 1341572754 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 9400400070061 in words is "nine trillion, four hundred billion, four hundred million, seventy thousand, sixty-one".