40661330401420 has 24 divisors (see below), whose sum is σ = 85388934574944. Its totient is φ = 16264505354496.

The previous prime is 40661330401387. The next prime is 40661330401453. The reversal of 40661330401420 is 2410403316604.

It is an interprime number because it is at equal distance from previous prime (40661330401387) and next prime (40661330401453).

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, 14636532 + ... + 17191588.

It is an arithmetic number, because the mean of its divisors is an integer number (3557872273956).

Almost surely, 2^{40661330401420} is an apocalyptic number.

It is an amenable number.

40661330401420 is an abundant number, since it is smaller than the sum of its proper divisors (44727604173524).

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

40661330401420 is a wasteful number, since it uses less digits than its factorization.

40661330401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350769 (or 3350767 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 40661330401420 in words is "forty trillion, six hundred sixty-one billion, three hundred thirty million, four hundred one thousand, four hundred twenty".