40512026693280 has 96 divisors (see below), whose sum is σ = 128742201814464. Its totient is φ = 10707603501056.

The previous prime is 40512026693239. The next prime is 40512026693287. The reversal of 40512026693280 is 8239662021504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (40512026693287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373397334 + ... + 373505813.

It is an arithmetic number, because the mean of its divisors is an integer number (1341064602234).

Almost surely, 2^{40512026693280} is an apocalyptic number.

40512026693280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40512026693280 is an abundant number, since it is smaller than the sum of its proper divisors (88230175121184).

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

40512026693280 is a wasteful number, since it uses less digits than its factorization.

40512026693280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746903278 (or 746903270 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 40512026693280 in words is "forty trillion, five hundred twelve billion, twenty-six million, six hundred ninety-three thousand, two hundred eighty".