43781077340450 has 48 divisors (see below), whose sum is σ = 81779029182144. Its totient is φ = 17438011080000.

The previous prime is 43781077340447. The next prime is 43781077340479. The reversal of 43781077340450 is 5404377018734.

It is a junction number, because it is equal to n+sod(n) for n = 43781077340392 and 43781077340401.

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, 46812812 + ... + 47738888.

It is an arithmetic number, because the mean of its divisors is an integer number (1703729774628).

Almost surely, 2^{43781077340450} is an apocalyptic number.

43781077340450 is a deficient number, since it is larger than the sum of its proper divisors (37997951841694).

43781077340450 is a wasteful number, since it uses less digits than its factorization.

43781077340450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930107 (or 930102 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 43781077340450 in words is "forty-three trillion, seven hundred eighty-one billion, seventy-seven million, three hundred forty thousand, four hundred fifty".